ES438692A1 - Un procedimiento de cristalizacion de hidratos de sosa caus-tica por enfriamiento de una lejia caustica. - Google Patents

Un procedimiento de cristalizacion de hidratos de sosa caus-tica por enfriamiento de una lejia caustica.

Info

Publication number: ES438692A1
Authority: ES; Spain
Prior art keywords: caustic; hydrates; translation; cooling; machine
Prior art date: 1974-07-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

ES438692A

Other languages

English (en)

Spanish (es)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Solvay SA

Original Assignee

Solvay SA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-07-09

Filing date

1975-06-15

Publication date

1977-04-01

1975-06-15 Application filed by Solvay SA filed Critical Solvay SA

1977-04-01 Publication of ES438692A1 publication Critical patent/ES438692A1/es

Status Expired legal-status Critical Current

Links

239000003518 caustics Substances 0.000 title abstract 4
238000001816 cooling Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
239000007844 bleaching agent Substances 0.000 title 1
150000004677 hydrates Chemical class 0.000 title 1
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 2
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
239000000956 alloy Substances 0.000 abstract 1
229910045601 alloy Inorganic materials 0.000 abstract 1
230000015572 biosynthetic process Effects 0.000 abstract 1
-1 caustic soda hydrates Chemical class 0.000 abstract 1
229910052804 chromium Inorganic materials 0.000 abstract 1
239000011651 chromium Substances 0.000 abstract 1
229910052802 copper Inorganic materials 0.000 abstract 1
239000010949 copper Substances 0.000 abstract 1
238000002425 crystallisation Methods 0.000 abstract 1
230000008025 crystallization Effects 0.000 abstract 1
229910052751 metal Inorganic materials 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
150000002739 metals Chemical class 0.000 abstract 1
229910052759 nickel Inorganic materials 0.000 abstract 1
235000011121 sodium hydroxide Nutrition 0.000 abstract 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0004—Crystallisation cooling by heat exchange
- B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/30—Purification; Separation by crystallisation
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/087—Heat exchange elements made from metals or metal alloys from nickel or nickel alloys

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Crystallography & Structural Chemistry (AREA)
General Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Chemically Coating (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)
ing And Chemical Polishing (AREA)

ES438692A 1974-07-09 1975-06-15 Un procedimiento de cristalizacion de hidratos de sosa caus-tica por enfriamiento de una lejia caustica. Expired ES438692A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE146359A BE817421A (fr)	1974-07-09	1974-07-09	Procede de cristallisation d'hydrates de soude caustique par refroidissement d'une lessive caustique.

Publications (1)

Publication Number	Publication Date
ES438692A1 true ES438692A1 (es)	1977-04-01

Family

ID=3842680

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES438692A Expired ES438692A1 (es)	1974-07-09	1975-06-15	Un procedimiento de cristalizacion de hidratos de sosa caus-tica por enfriamiento de una lejia caustica.

Country Status (6)

Country	Link
BE (1)	BE817421A (fr)
DE (1)	DE2526967A1 (fr)
ES (1)	ES438692A1 (fr)
FR (1)	FR2277770A1 (fr)
IT (1)	IT1038597B (fr)
NL (1)	NL7508191A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2421359A1 (fr) *	1978-03-31	1979-10-26	Fives Cail Babcock	Procede de protection des surfaces d'une chaudiere de recuperation en contact avec un fluide chauffant, et chaudiere obtenue par l'application du procede
US7037886B2 (en)	2000-06-01	2006-05-02	Ecolab Inc.	Method for manufacturing a molded detergent composition
US6730653B1 (en)	2000-06-01	2004-05-04	Ecolab Inc.	Method for manufacturing a molded detergent composition

1974
- 1974-07-09 BE BE146359A patent/BE817421A/fr unknown
1975
- 1975-05-30 IT IT23902/75A patent/IT1038597B/it active
- 1975-06-15 ES ES438692A patent/ES438692A1/es not_active Expired
- 1975-06-16 DE DE19752526967 patent/DE2526967A1/de not_active Withdrawn
- 1975-07-07 FR FR7521498A patent/FR2277770A1/fr active Granted
- 1975-07-09 NL NL7508191A patent/NL7508191A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
BE817421A (fr)	1974-11-04
IT1038597B (it)	1979-11-30
FR2277770A1 (fr)	1976-02-06
FR2277770B1 (fr)	1977-07-22
NL7508191A (nl)	1976-01-13
DE2526967A1 (de)	1976-01-29

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